CVE-2015-2503

What it is

Microsoft Access 2007 SP3, Excel 2007 SP3, InfoPath 2007 SP3, OneNote 2007 SP3, PowerPoint 2007 SP3, Project 2007 SP3, Publisher 2007 SP3, Visio 2007 SP3, Word 2007 SP3, Office 2007 IME (Japanese) SP3, Access 2010 SP2, Excel 2010 SP2, InfoPath 2010 SP2, OneNote 2010 SP2, PowerPoint 2010 SP2, Project 2010 SP2, Publisher 2010 SP2, Visio 2010 SP2, Word 2010 SP2, Pinyin IME 2010, Access 2013 SP1, Excel 2013 SP1, InfoPath 2013 SP1, OneNote 2013 SP1, PowerPoint 2013 SP1, Project 2013 SP1, Publisher 2013 SP1, Visio 2013 SP1, Word 2013 SP1, Excel 2013 RT SP1, OneNote 2013 RT SP1, PowerPoint 2013 RT SP1, Word 2013 RT SP1, Access 2016, Excel 2016, OneNote 2016, PowerPoint 2016, Project 2016, Publisher 2016, Visio 2016, Word 2016, Skype for Business 2016, and Lync 2013 SP1 allow remote attackers to bypass a sandbox protection mechanism and gain privileges via a crafted web site that is accessed with Internet Explorer, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Microsoft Office Elevation of Privilege Vulnerability."

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

16.5% chance of exploitation in the next 30 days (EPSS). Higher than most.

Fix

No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

1. 2015-03-19 00:00 UTC ReservedThe CVE id was reserved by its CNA
2. 2015-11-11 11:59 UTC PublishedDisclosed publicly on CVE.org and NVD
3. 2026-06-17 00:24 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 16.5% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: none linked yet, which raises it.

Details

Published

2015-11-11 11:59 UTC

Last modified

2026-06-17 00:24 UTC

Exploit probability

16.5% · EPSS, next 30 days

Weakness

CWE-264

Record status

Modified

Affected

• Microsoft Access 2007
• Microsoft Access 2010
• Microsoft Access 2013
• Microsoft Access 2016
• Microsoft Excel 2007
• Microsoft Excel 2010
• Microsoft Excel 2013
• Microsoft Excel 2016

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-2503.md and follow it. Check whether this project is affected by CVE-2015-2503. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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